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There’s something special about a warm apple dessert by the fire. This campfire apple crisp in foil packets brings that comfort with almost no cleanup and very little effort. It’s simple enough for beginners and fun enough for kids to help with.
The best part? You can prep everything ahead and toss it on the coals when you’re ready. Whether you’re camping, grilling in the backyard, or craving a quick oven version, this recipe delivers.
What Makes This Recipe So Good

- Minimal cleanup: Everything cooks in a foil packet, so you don’t need a skillet or baking dish.
- Fast and flexible: Ready in about 20–25 minutes, and easy to adapt with different fruits, toppings, or spices.
- Make-ahead friendly: Prep the apples and crisp topping at home, then assemble and cook at camp.
- Perfect texture: Tender, cinnamon-spiced apples under a buttery, crunchy oat topping.
- Great for groups: Portion into individual packets so everyone gets their own dessert.
What You’ll Need
- Apples: 4 medium apples (Granny Smith, Honeycrisp, or a mix), peeled and thinly sliced
- Lemon juice: 1 tablespoon, to keep apples bright and add balance
- Granulated sugar: 2 tablespoons (adjust to taste)
- Cinnamon: 1 teaspoon
- Nutmeg: 1/4 teaspoon (optional)
- Salt: A pinch, to enhance flavor
- Vanilla extract: 1 teaspoon (optional but lovely)
- Old-fashioned oats: 3/4 cup
- All-purpose flour: 1/2 cup
- Brown sugar: 1/3 cup, packed
- Butter: 6 tablespoons, cold and cut into small cubes (or use plant butter for dairy-free)
- Chopped nuts: 1/4 cup (pecans or walnuts, optional)
- Heavy-duty aluminum foil: For making packets (use heavy-duty to prevent tearing)
- Nonstick spray or butter: For greasing the foil
- Optional toppings: Caramel sauce, vanilla ice cream, or whipped cream
Step-by-Step Instructions

- Prep your fire or heat source: Build a medium campfire and let it burn down to hot coals.
You can also use a grill set to medium heat or an oven at 400°F (200°C). - Make the apple filling: In a bowl, toss sliced apples with lemon juice, granulated sugar, cinnamon, nutmeg, salt, and vanilla. Mix until evenly coated.
- Make the crisp topping: In another bowl, combine oats, flour, brown sugar, and nuts. Add cold butter and use your fingers or a fork to work it into the dry ingredients until it forms pea-sized crumbs.
- Build the packets: Cut four sheets of heavy-duty foil, about 12–14 inches each.
Lightly grease the center with butter or nonstick spray. Divide the apples among the sheets, then top with an even layer of the crumble. - Seal the packets: Bring the long sides of the foil up and fold to seal, then crimp the ends tightly. Leave a little space inside for steam to circulate.
- Cook: Place packets on a grate over hot coals or medium grill heat.
Cook for 15–20 minutes, flipping once halfway. If using the oven, place on a baking sheet and bake 18–22 minutes. - Check doneness: Carefully open one packet (watch for steam). The apples should be tender and bubbling, and the topping should be set and toasty.
- Serve: Let packets cool slightly.
Serve as-is or top with vanilla ice cream, whipped cream, or a drizzle of caramel. Eat straight from the foil for fewer dishes.
Storage Instructions
- Make-ahead: Slice apples up to 24 hours in advance and store in the fridge with lemon juice. Keep the crumble topping in a separate sealed bag or container.
- Leftovers: Transfer cooked crisp to an airtight container and refrigerate for up to 3 days.
Reheat gently over low campfire heat, on the grill, or in a 350°F (175°C) oven for 8–10 minutes. - Freezing: Freeze uncooked packets for up to 1 month. Cook from frozen over medium heat for 25–30 minutes, checking for doneness.

Health Benefits
- Fiber from apples and oats: Supports digestion and helps keep you full.
- Antioxidants: Apples and cinnamon offer polyphenols that support overall health.
- Balanced sweetness: You control the sugar. Use less if your apples are very sweet, or swap part of the sugar with maple syrup.
- Healthy fats (optional): Nuts add crunch plus heart-healthy fats and minerals.
Pitfalls to Watch Out For
- Thin foil tears: Regular foil can rip and leak.
Use heavy-duty foil or double-layer standard foil. - Over direct flames: Flames can scorch the bottom while the apples stay firm. Aim for hot coals or indirect medium heat.
- Too thick apple slices: Thick slices take longer to soften. Aim for thin, even slices for consistent cooking.
- Undersalted topping: A small pinch of salt in the topping sharpens flavor.
Don’t skip it. - Sealing too tight: Packets need a little air space so steam can circulate and cook evenly.
Recipe Variations
- Maple pecan: Swap brown sugar for maple syrup in the filling and add chopped pecans to the topping.
- Caramel apple: Add a few soft caramel candies or a drizzle of caramel sauce before sealing.
- Berry boost: Mix in 1/2 cup blueberries or raspberries with the apples.
- Gluten-free: Use certified gluten-free oats and a gluten-free flour blend.
- Dairy-free/vegan: Use plant butter or coconut oil and choose vegan-friendly sugar.
- Spice it up: Add cardamom, ginger, or apple pie spice for a warmer profile.
- Granola crunch: Replace part of the oat topping with your favorite granola for extra texture.
FAQ
Do I have to peel the apples?
Peeling is optional. Peeled apples cook down softer and more classic for crisp. If you like a bit of texture and extra fiber, leave the skins on and slice thin.
What apples work best?
Tart, firm apples like Granny Smith hold up well.
A mix of Granny Smith and Honeycrisp or Fuji gives a nice sweet-tart balance and great texture.
Can I make one big packet instead of individual ones?
Yes, but make it wide and shallow so the apples cook evenly. Add a few extra minutes to the cook time and check the center for tenderness.
How do I prevent the topping from getting soggy?
Keep the ratio right and don’t overload with liquid sweeteners. Cooking over steady, medium heat helps.
For extra crunch, briefly open the packet for the last few minutes to vent steam.
Can I cook this on a stovetop?
Not as a packet. But you can make a skillet version: sauté the apples with sugar and spices, sprinkle the crumble on top, cover, and cook on low until tender, then uncover to crisp a bit.
What if I don’t have brown sugar?
Use granulated sugar plus 1 teaspoon molasses if you have it. Otherwise, plain granulated sugar works—add a touch more cinnamon for depth.
How do I know when it’s done?
The apples should be fork-tender and bubbling, and the topping should look set with toasty edges.
If apples are still firm, reseal and cook 3–5 more minutes.
Wrapping Up
Campfire apple crisp in foil packets brings all the cozy flavors of a classic dessert with none of the fuss. It’s easy to prep, quick to cook, and endlessly adaptable to your taste. Keep a roll of heavy-duty foil in your camping bin, and you’re always minutes away from a warm, cinnamon-scented treat.
Whether you’re fireside under the stars or grilling at home, this simple recipe delivers sweet comfort every time.
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